Finding the Third Proportional to 469,611.50 and 999,951

Step by Step Solution

1. Step 1: Write the proportion equation
   469,611.50 : 999,951 = 999,951 : x
2. Step 2: Convert to fraction form
   469,611.50/999,951 = 999,951/x
3. Step 3: Cross multiply
   469,611.50x = 999,951 × 999,951
4. Step 4: Simplify right side
   469,611.50x = 999,902,002,401
5. Step 5: Solve for x
   x = 999,902,002,401/469,611.50
6. Step 6: Final answer
   x = 2,129,211.07